Use the given triangle to answer the following questions. B 5. 3 A C 4 Decide if the given triangle is a right triangle. O Yes O No If it is, find the sine, cosine, and tangent for the angle B. (If it is not a right triangle, enter IMPOSSIBLE.) sin(B) = cos(B) = tan(B) =

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Q: In a right triangle ABC with angle A equal to 90°, find angle B and C so that sin(B) = cos(B).

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Ratios

A ratio is a comparison between two numbers of the same kind. It represents how many times one number contains another. It also represents how small or large one number is compared to the other.

Trigonometric Ratios

Trigonometric ratios give values of trigonometric functions. It always deals with triangles that have one angle measuring 90 degrees. These triangles are right-angled. We take the ratio of sides of these triangles.